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| author | Monk Liu <Monk.Liu@amd.com> | 2017-02-08 16:49:46 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:53:13 -0400 |
| commit | c79ecfbf5bba298ab5716536fa9cb68533bb5c26 (patch) | |
| tree | e817ba4ddbba55b0b8401405fa21a73a92a80dee /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | |
| parent | 9b49c3ab06a7d0ad4bd3a8474cf0f2640aaadfd6 (diff) | |
| download | op-kernel-dev-c79ecfbf5bba298ab5716536fa9cb68533bb5c26.zip op-kernel-dev-c79ecfbf5bba298ab5716536fa9cb68533bb5c26.tar.gz | |
drm/amdgpu:imple ring clear
we can use it clear ring buffer instead of fullfill
0, which is not correct for engine
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 5785db8..5d0f7c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -186,5 +186,12 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, unsigned ring_size, struct amdgpu_irq_src *irq_src, unsigned irq_type); void amdgpu_ring_fini(struct amdgpu_ring *ring); +static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) +{ + int i = 0; + while (i <= ring->ptr_mask) + ring->ring[i++] = ring->funcs->nop; + +} #endif |
